#include <bits/stdc++.h>

#define debug(a) cout<<#a<<"="<<a<<endl;
constexpr int INF = 0x7fffffff; // 无穷大
typedef long long ll;

using namespace std;

class Solution {
public:
    void function(vector<int>& nums) {
    }
};

int main(int argc, const char** argv) {
    Solution s;
    vector<int> data = {2, 1, 1};
    // auto res = s.function(data);
    // std::cout << res << std::endl;
    return 0;
}
